G&G 300R Gas Drum Magazine for SMC-9/GTP9

SMC9 High Capacity Green Gas Drum Magazine

• Manual Winding Mechanism using Rotating Front Plate
• Easy Fill with Removable Back Plate
• 300 Round Capacity Completely Dispenses with Single Gas Charge (Green Gas Only)
• Designed for the SMC-9 and GTP 9 Pistol Series